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- Title
PHASE TRANSITION AND CURRENT PROPERTIES OF PZT 95/5-2NB FERROELECTRIC CERAMIC UNDER DYNAMIC LOADING.
- Authors
GAOMIN LIU; FUPING ZHANG; JINMEI DU; HUA TAN; HONGLIANG HE
- Abstract
The high density ferroelectric ceramic with composition near Pb0.99(Zr0.95Ti0.05)0.98Nb0.02O3 (PZT 95/5-2Nb) has been studied under dynamic loading. To characterize its ferroelectric-to-antiferroelectric(FE/AFE) phase transition under shock wave compression, reverse-impact experiments were conducted to determine the Hugoniot states of poled and unpoled PZT 95/5-2Nb, and the shock-induced depoling currents were examined in an external circuit under short-circuit conditions for the poled PZT 95/5-2Nb. The Hugoniot data and current results identify that the phase transition of FE/AFE has occurred in the stress range of 0.4 GPa~1.8 GPa. In the phase transition stress range, the measured short-circuit currents show the increasing of rise time and the decreasing of final levels with the increase of shock stress.
- Subjects
CERAMICS; INDUSTRIAL chemistry; CERAMIC powders; CERAMIC capacitors; DYNAMICS; ANALYTICAL mechanics; KINETIC art
- Publication
International Journal of Modern Physics B: Condensed Matter Physics; Statistical Physics; Applied Physics, 2008, Vol 22, Issue 9-11, p1171
- ISSN
0217-9792
- Publication type
Article
- DOI
10.1142/S0217979208046499